CN104632253B - Positioning device for tunnel lining construction and construction method - Google Patents
Positioning device for tunnel lining construction and construction method Download PDFInfo
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- CN104632253B CN104632253B CN201410851119.XA CN201410851119A CN104632253B CN 104632253 B CN104632253 B CN 104632253B CN 201410851119 A CN201410851119 A CN 201410851119A CN 104632253 B CN104632253 B CN 104632253B
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- positioner
- ring cage
- bar
- outer layer
- colligation
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- 238000010276 construction Methods 0.000 title claims abstract description 45
- 230000027455 binding Effects 0.000 claims abstract description 5
- 238000009739 binding Methods 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 143
- 230000003014 reinforcing effect Effects 0.000 claims description 59
- 230000002787 reinforcement Effects 0.000 claims description 51
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 210000003205 muscle Anatomy 0.000 claims description 5
- 238000009415 formwork Methods 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/12—Temporary supports for use during building; Accessories
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to the technical field of tunnel construction and relates to a positioning device for tunnel lining construction and a construction method. The positioning device comprises a square waveform body reinforcing steel bar. The two ends of the body reinforcing steel bar are each bent and extend to form an overturn-preventing reinforcing steel bar. The two overturn-preventing reinforcing steel bars are perpendicular to the plane where the body reinforcing steel bar is located and are located on the two sides of the plane where the body reinforcing steel bar is located. The construction method comprises the steps that firstly, a plurality of outer-layer annular main bars are installed, and the positioning device is bound; then the positioning device is used for binding the other outer-layer annular main bars and binding inner-layer annular reinforcing steel bars; finally, the positioning device is disassembled, and bracing reinforcing steel bars are arranged. According to the positioning device and the construction method, no erection reinforcing steel bars need to be used, the construction efficiency is high, the lining reinforcing steel bar installation precision is high, and the tunnel lining construction quality is ensured.
Description
Technical field
The present invention relates to technical field of tunnel construction is and in particular to a kind of positioner of lining construction and construction
Method.
Background technology
At present, when carrying out lining construction operation in tunnel, routinely construction method, need to weld substantial amounts of erection
Reinforcing bar, to form firm fixing stand, fixes lining cutting reinforcing bar using cableway, includes the internal layer ring cage bar and outward of arch
Layer ring cage bar, then casting concrete formation tunnel-liner.But in work progress, there is substantial amounts of welding job, at all
The destruction to secondary lining behind waterproof layer cannot be avoided；In addition, each internal layer ring cage bar of setting and outer layer ring cage bar
When, it is required for carrying out a range measurement, to determine the position of lining cutting reinforcing bar to be installed, therefore there is long construction period, effect
The low shortcoming of rate, and the installation accuracy of lining cutting reinforcing bar cannot be ensured.
Content of the invention
For defect present in prior art, it is an object of the invention to provide a kind of positioning of lining construction
Device and construction method, it is to avoid using cableway, efficiency of construction is high, and lining cutting reinforcement installation high precision is it is ensured that tunnel-liner
Construction quality.
For reaching object above, the present invention adopts the technical scheme that: a kind of positioner of lining construction, bag
Include the main body reinforcing bar in square waveform, two end points places side of main body reinforcing bar is located on the same line, and parallel to main body steel
The bearing of trend of muscle, two end points of main body reinforcing bar bend respectively and extend an overturn-preventing reinforcing bar, and two overturn-preventing reinforcing bars are equal
Vertical body reinforcing bar place plane, and it is located at the both sides of main body reinforcing bar place plane respectively, main body reinforcing bar is located at two end points institutes
It is outer node layer in the multiple inflection points on straight line, other inflection points of main body reinforcing bar are underlay nodes.
A kind of lining construction method, comprises the steps:
S1. choose some outer layer ring cage bars and fixation is installed, equidistant colligation in all outer layer ring cage bars is fixed
Some outer layer longitudinal reinforcements, a positioner is fixed in colligation on every described outer layer longitudinal reinforcement, positioner every
Root overturn-preventing reinforcing bar is fixed with an outer layer ring cage bar colligation respectively；
S2. install and fix remaining outer layer ring cage bar, make each outer node layer of each positioner and an outer layer
Ring cage bar colligation is fixed, and an internal layer longitudinal reinforcement is fixed in common colligation in all underlay nodes of each positioner；
S3. in all outer layer ring cage bars, remaining outer layer longitudinal reinforcement is installed in colligation, makes two neighboring positioner
Between spacing be the spacing between adjacent two outer layer longitudinal reinforcements integral multiple, fixing some internal layer ring masters are installed
Muscle, and so that each underlay nodes of positioner and an internal layer ring cage bar colligation is fixed, every outer layer ring cage bar corresponds to
The internal layer ring cage bar that one is generally aligned in the same plane with it；
S4. colligation fixing others internal layer longitudinal reinforcement in all internal layer ring cage bars, makes every outer layer longitudinal reinforcement
A corresponding internal layer longitudinal reinforcement in parallel, and arrange some between each pair internal layer longitudinal reinforcement and outer layer longitudinal reinforcement
Root bracing reinforcement, removes positioner, then installs protective layer cushion block, formwork erection, pours lining concrete, forms tunnel-liner,
Complete to construct.
On the basis of technique scheme, in step s1, install first and fix three outer layer ring cage bars, wherein two
Outer layer ring cage bar is fixed with the outer node layer colligation at positioner two ends respectively, and described two outer layer ring cage bars respectively with
Two overturn-preventing reinforcing bar bindings of described positioner are fixed, and in addition an outer layer ring cage bar is located at described two outer layer rings
Between cage bar, and fix with an outer node layer colligation in the middle of described positioner.
On the basis of technique scheme, in step s1, each outer node layer of positioner is outer with corresponding respectively
Layer longitudinal reinforcement colligation is fixed.
On the basis of technique scheme, the spacing between two neighboring positioner is 2～4m.
On the basis of technique scheme, described bracing reinforcement is drag hook reinforcing bar, and hook sets respectively at the two ends of drag hook reinforcing bar
In an outer layer ring cage bar and corresponding internal layer ring cage bar, and it is set up in an outer layer longitudinal reinforcement and corresponding interior
Between layer longitudinal reinforcement.
The beneficial effects of the present invention is:
1st, the main body reinforcing bar of this positioner is in square waveform, during lining construction, each outer layer of positioner
Node and an outer layer ring cage bar colligation, underlay nodes and an internal layer ring cage bar colligation, therefore it may only be necessary to control positioning
The specification of device is it is possible to using the spacing of this positioner precise control lining cutting reinforcing bar and layer away from realizing lining cutting reinforcing bar mark
Standardization is installed it is ensured that the construction quality of tunnel-liner.
2nd, this positioner is used for the positioning of lining cutting reinforcing bar, removes this positioner, can weigh after the completion of lining cutting reinforcement installation
Multiple use, economy is high.
3rd, construction method of the present invention installs the outer layer ring cage bar of fixing minority, then colligation positioner first, utilizes
The positioner positioning fixing internal layer ring cage bar of colligation and remaining outer layer ring cage bar, under execution conditions in tunnel, it is to avoid
The operation of welding cableway, realizes the rapid construction of tunnel lining reinforcing steel bar.
4th, construction method of the present invention mainly utilizes positioner colligation to fix lining cutting reinforcing bar, without welding cableway, keeps away
Exempt from the destruction to secondary lining behind waterproof layer during the steel bar end welding cableway, and due to using the fixing lining of improving bud grafting
Build reinforcing bar, therefore this construction method can apply the lining construction in gas tunnel, eliminate job site electric welding and make
The potential safety hazard that industry is brought.
5th, construction method of the present invention installs fixing several outer layer ring cage bars first, forms main body frame, Ran Houli
Encrypt fixed outer layer ring cage bar with positioner, fix internal layer steel hoop using positioner, form lining cutting reinforcing bar main body,
Then pass through to encrypt fixed outer layer longitudinal reinforcement and internal layer longitudinal reinforcement, to form firm lining cutting reinforcing bar, work progress includes
, it is ensured that the lining cutting reinforcing bar positioning precision eventually forming is high, steadiness is good for gradation lining cutting steel-bar arrangement and multiple lining cutting steel reinforcing.
Brief description
Fig. 1 is the structural representation of this positioner；
Fig. 2 is the lining construction view one using this positioner；
Fig. 3 is the lining construction view two using this positioner；
Fig. 4 is the lining construction view three using this positioner；
Fig. 5 is the lining construction view four using this positioner；
Reference:
1- positioner, 11- main body reinforcing bar, 12- overturn-preventing reinforcing bar, the outer node layer of 13-, 14- underlay nodes, 2- outer layer ring
To cage bar, 3- outer layer longitudinal reinforcement, 4- internal layer ring cage bar, 5- internal layer longitudinal reinforcement, 6- bracing reinforcement.
Specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As shown in figure 1, a kind of positioner of lining construction, including the main body reinforcing bar 11 in square waveform, main body
Two end points places side of reinforcing bar 11 is located on the same line, and the bearing of trend parallel to main body reinforcing bar 11, main body reinforcing bar
11 two end points bend respectively and extend an overturn-preventing reinforcing bar 12, equal vertical body reinforcing bar 11 institute of two overturn-preventing reinforcing bars 12
In plane, and respectively positioned at the both sides of main body reinforcing bar 11 place plane, main body reinforcing bar 11 is located on two end points place straight lines
Multiple inflection points are outer node layer 13, and other inflection points of main body reinforcing bar 11 are underlay nodes 14.The outer layer of each positioner 1
Node 13 number is two more than underlay nodes 14 number.
A kind of lining construction method, comprises the steps:
S1. choose some outer layer ring cage bars 2 and fixation is installed, fixed form is fixed for sleeve or colligation is fixed,
In all outer layer ring cage bars 2, some outer layer longitudinal reinforcements 3 are fixed in equidistant colligation, in every described outer layer longitudinal reinforcement 3
A positioner 1 is fixed in upper colligation, and every overturn-preventing reinforcing bar 12 of positioner 1 is tied up with an outer layer ring cage bar 2 respectively
Prick and fix, be used for making positioner 1 vertically fix, and prevent it from toppling.In the present embodiment, install first and fix three outer layer rings
To cage bar 2, the spacing between outer layer ring cage bar 2 determines according to the length of positioner 1, wherein two outer layer ring cage bars 2
Fix with outer node layer 13 colligation at positioner two ends respectively, and described two outer layer ring cage bars 2 respectively with described
Two overturn-preventing reinforcing bar bindings of positioner are fixed, and in addition an outer layer ring cage bar 2 is located at described two outer layer ring masters
Between muscle 2, and fix with an outer node layer 13 colligation in the middle of described positioner；Between two neighboring positioner 1
Spacing is 2～4m；Each outer node layer 13 of positioner 1 is fixed with the colligation of corresponding outer layer longitudinal reinforcement 3 respectively, and structure is such as
Shown in Fig. 2.
S2. according to the spacing between the two neighboring outer node layer 13 of positioner 1, install and fix remaining outer layer ring master
Muscle 2, makes each outer node layer 13 of each positioner and the colligation of an outer layer ring cage bar 2 fix, outer layer ring cage bar 2 is pacified
After the completion of dress, an internal layer longitudinal reinforcement 5, structure are fixed in common colligation in all underlay nodes 14 of each positioner 1
As shown in Figure 3.
S3. according to design pitch, remaining outer layer longitudinal reinforcement 3 is installed in colligation in all outer layer ring cage bars 2, makes phase
Spacing between adjacent two positioners 1 is the integral multiple of the spacing between adjacent two outer layer longitudinal reinforcements 3, if installing fixing
Dry root internal layer ring cage bar 4, and so that each underlay nodes 14 of positioner 1 and the colligation of an internal layer ring cage bar 4 is fixed, often
Root outer layer ring cage bar 2 corresponds to an internal layer ring cage bar 4 being generally aligned in the same plane with it, and structure is as shown in Figure 4.
S4. according to design pitch, colligation fixing others internal layer longitudinal reinforcement 5 in all internal layer ring cage bars 4, make every
Root outer layer longitudinal reinforcement 3 corresponds to an internal layer longitudinal reinforcement 5 in parallel, and indulges with outer layer in each pair internal layer longitudinal reinforcement 5
Some bracing reinforcements 6 are set between reinforcing bar 3, and bracing reinforcement 6 is drag hook reinforcing bar, the two ends of drag hook reinforcing bar respectively hook located at one
Root outer layer ring cage bar 2 and corresponding internal layer ring cage bar 4, and it is set up in an outer layer longitudinal reinforcement 3 and corresponding interior
Between layer longitudinal reinforcement 5.Guaranteeing framework of steel reinforcement rigidity, the stability of outer layer ring cage bar 2 and internal layer ring cage bar 4 composition
Under the premise of remove positioner 1, structure is as shown in Figure 5.Then protective layer cushion block, formwork erection are installed, pour lining concrete, formed
Tunnel-liner, completes to construct.
During this lining construction, positioner 1 is at the construction field (site), is formed by steel bar meter.Positioner 1
The number of outer node layer 13 is determined by the design radical of the outer layer ring cage bar 2 of tunnel-liner, the two neighboring outer layer of positioner 1
The length on the reinforcing bar side between node 13 is determined by the design pitch between adjacent two outer layer ring cage bars 2 of tunnel-liner,
The width of positioner 1 is by the design level between tunnel-liner outer layer ring cage bar 2 and internal layer ring cage bar 4 away from determination.
The present invention is not limited to above-mentioned embodiment, for those skilled in the art, without departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (6)
1. a kind of positioner of lining construction it is characterised in that: include the main body reinforcing bar (11) in square waveform, main body
Two end points places side of reinforcing bar (11) is located on the same line, and the bearing of trend parallel to main body reinforcing bar (11), main body
Two end points of reinforcing bar (11) bend respectively and extend an overturn-preventing reinforcing bar (12), and two overturn-preventing reinforcing bars (12) are all vertically led
Body reinforcing bar (11) place plane, and it is located at the both sides of main body reinforcing bar (11) place plane respectively, main body reinforcing bar (11) is located at two
Multiple inflection points on the straight line of end points place are outer node layer (13), and other inflection points of main body reinforcing bar (11) are underlay nodes
(14).
2. a kind of lining construction method based on positioner described in claim 1 is it is characterised in that include following walking
Rapid:
S1. choose some outer layers ring cage bar (2) and fixation is installed, solid in the upper equidistant colligation of all outer layers ring cage bar (2)
Fixed some outer layer longitudinal reinforcements (3), fix a positioner (1) in the upper colligation of every described outer layer longitudinal reinforcement (3), fixed
Every overturn-preventing reinforcing bar (12) of position device (1) is fixed with outer layer ring cage bar (2) colligation respectively；
S2. install and fix remaining outer layer ring cage bar (2), make each outer node layer (13) of each positioner outer with one
Layer ring cage bar (2) colligation is fixed, and fixes in one in the upper common colligation of all underlay nodes (14) of each positioner (1)
Layer longitudinal reinforcement (5)；
S3. in the upper colligation of all outer layers ring cage bar (2), remaining outer layer longitudinal reinforcement (3) is installed, makes two neighboring positioning dress
Put the integral multiple that the spacing between (1) is the spacing between adjacent two outer layer longitudinal reinforcements (3), fixing some internal layers are installed
Ring cage bar (4), and so that each underlay nodes (14) of positioner (1) and internal layer ring cage bar (4) colligation is fixed, often
Root outer layer ring cage bar (2) corresponds to internal layer ring cage bar (4) being generally aligned in the same plane with it；
S4. in the upper colligation fixing others internal layer longitudinal reinforcement (5) of all internal layers ring cage bar (4), make every outer layer longitudinal direction steel
Muscle (3) corresponds to an internal layer longitudinal reinforcement (5) in parallel, and in each pair internal layer longitudinal reinforcement (5) and outer layer longitudinal reinforcement
(3) some bracing reinforcements (6) are set between, remove positioner (1), then protective layer cushion block, formwork erection are installed, pour building lining
Concrete, forms tunnel-liner, completes to construct.
3. lining construction method as claimed in claim 2 it is characterised in that: in step s1, first install fix three
Outer layer ring cage bar (2), wherein two outer layers ring cage bar (2) are solid with outer node layer (13) colligation at positioner two ends respectively
Fixed, and described two outer layers ring cage bar (2) are fixed with two overturn-preventing reinforcing bar bindings of described positioner respectively, in addition one
Root outer layer ring cage bar (2) is located between described two outer layers ring cage bar (2), and outer with the middle of described positioner
Node layer (13) colligation is fixed.
4. lining construction method as claimed in claim 2 it is characterised in that: in step s1, positioner (1) each
Outer node layer (13) is fixed with the colligation of corresponding outer layer longitudinal reinforcement (3) respectively.
5. lining construction method as claimed in claim 2 it is characterised in that: between two neighboring positioner (1)
Spacing is 2～4m.
6. lining construction method as claimed in claim 2 it is characterised in that: described bracing reinforcement (6) be drag hook reinforcing bar,
The two ends difference hook of drag hook reinforcing bar is located at outer layer ring cage bar (2) and corresponding internal layer ring cage bar (4), and sets up
Between an outer layer longitudinal reinforcement (3) and corresponding internal layer longitudinal reinforcement (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410851119.XA CN104632253B (en) | 2014-12-31 | 2014-12-31 | Positioning device for tunnel lining construction and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410851119.XA CN104632253B (en) | 2014-12-31 | 2014-12-31 | Positioning device for tunnel lining construction and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104632253A CN104632253A (en) | 2015-05-20 |
| CN104632253B true CN104632253B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410851119.XA Active CN104632253B (en) | 2014-12-31 | 2014-12-31 | Positioning device for tunnel lining construction and construction method |
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| CN (1) | CN104632253B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761838B (en) * | 2017-02-20 | 2019-05-21 | 长安大学 | Tunnel Second Lining arch unit and its arch frame structure and erection method constituted |
| CN108131155B (en) * | 2017-12-29 | 2019-10-18 | 中铁十九局集团第二工程有限公司 | To the construction technology of tunnel double-lining reinforcing bar positioning |
| CN108952759B (en) * | 2018-06-27 | 2020-04-07 | 昆明理工大学 | Tunnel lining structure using steel pipe concrete and laminated slab and construction method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201400959Y (en) * | 2009-04-15 | 2010-02-10 | 深圳市市政工程总公司 | Silo concrete protecting layer locating piece in slipform construction |
| CN202248550U (en) * | 2011-10-08 | 2012-05-30 | 青岛理工大学 | Shear wall and tunnel lining reinforcing steel bar and protective layer thickness positioner |
| CN102444408B (en) * | 2011-11-18 | 2014-05-07 | 中铁十二局集团有限公司 | Secondary lining split mounting type blocking head device for metro underground excavation tunnel |
| CN202628121U (en) * | 2012-07-11 | 2012-12-26 | 中铁十局集团有限公司 | Tunnel invert steel bar positioning device |
| CN203603934U (en) * | 2013-12-19 | 2014-05-21 | 中铁十局集团有限公司 | Installation locating device for tunnel inflected arch reinforcing steel bars |
| CN203782985U (en) * | 2014-03-05 | 2014-08-20 | 中国十七冶集团有限公司 | Slip-form circumferential reinforcing steel bar positioning device |
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2014
- 2014-12-31 CN CN201410851119.XA patent/CN104632253B/en active Active
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| CN104632253A (en) | 2015-05-20 |
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